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#[derive(Debug, thiserror::Error)]
pub enum ServiceError {
#[error("no response generated; the proxy is misconfigured")]
NoResponse,
#[error("request taken; the proxy is misconfigured")]
RequestTaken,
#[error("limit reached. try again")]
Limit(#[from] tokio::sync::TryAcquireError),
#[error("hyper error")]
Hyper(hyper::Error),
#[error("no host")]
NoHost,
#[error("unknown host")]
UnknownHost,
#[error("unknown path")]
UnknownPath,
#[error("can't connect to the backend")]
CantConnect,
#[error("not found")]
NotFound,
#[error("io error: {0}")]
Io(#[from] std::io::Error),
#[error("bad range")]
BadRange,
#[error("bad utf8")]
BadUtf8(#[from] std::str::Utf8Error),
#[error("bad utf8")]
BadUtf82(#[from] std::string::FromUtf8Error),
#[error("bad utf8")]
BadUtf83(#[from] http::header::ToStrError),
#[error("bad path")]
BadPath,
#[error("bad auth")]
BadAuth,
#[error("bad base64: {0}")]
BadBase64(#[from] base64::DecodeError),
#[error("connection upgrade failed")]
UpgradeFailed,
#[error("{0}")]
Custom(String),
#[error("{0}")]
CustomStatic(&'static str),
#[error("parse int error: {0}")]
ParseIntError(#[from] std::num::ParseIntError),
#[error("invalid header")]
InvalidHeader,
#[error("invalid uri")]
InvalidUri,
#[error("impossible error")]
Other,
}
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